Cage effects in recombination of allyl radicals in irradiated polyethylene. II. Cumulative reaction rates and decay kinetic processes | Zendy

Hwang LianPin | Zendy

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Cage effects in recombination of allyl radicals in irradiated polyethylene. II. Cumulative reaction rates and decay kinetic processes

Author(s) -

Hwang LianPin

Publication year - 1983

Publication title -

journal of polymer science: polymer physics edition

Language(s) - English

Resource type - Journals

eISSN - 1542-9385

pISSN - 0098-1273

DOI - 10.1002/pol.1983.180211010

Subject(s) - radical , polyethylene , recombination , irradiation , kinetic energy , chemistry , photochemistry , diffusion , polymer chemistry , materials science , nuclear physics , thermodynamics , physics , organic chemistry , biochemistry , quantum mechanics , gene

Hwang and Cheng have studied the recombination reaction of allyl radicals in irradiated polyethylene by including the effects of (i) diffusion of macroradicals by jumps of finite size in the crystalline phase and (ii) a caging reaction with a finite rate in the disordered region. In this work their results are used to analyze cumulative reaction rate data on the decay of allyl radicals in extended‐chain and Marlex film polyethylene. The kinetic parameters obtained show the effects of reaction temperature, irradiation dose, and morphological differences.

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